html{   
    width: 100%;   
    height: 100%;   
    overflow: hidden;   
    font-style: sans-serif;   
}   
a {
    text-decoration: none;
}
body{   
    width: 100%;   
    height: 100%;   
    font-family: 'Open Sans',sans-serif;   
    margin: 0;   
    background-color: #4A374A;   
}   
#index{
    top: 10%;
    position: absolute;        
    width: 100%;   
    height: 300px;   
}   
#index div {
    width: 400px; 
    margin: auto;  
}
#index h1{   
    color: #fff;   
    text-shadow:0 0 10px;   
    letter-spacing: 1px;
    text-align: center;   
}   
h1{   
    font-size: 2em;     
}   
input{   
    width: 278px;   
    height: 18px;   
    margin-bottom: 10px;   
    outline: none;   
    padding: 10px;   
    font-size: 13px;   
    color: #fff;   
    text-shadow:1px 1px 1px;   
    border-top: 1px solid #312E3D;   
    border-left: 1px solid #312E3D;   
    border-right: 1px solid #312E3D;   
    border-bottom: 1px solid #56536A;   
    border-radius: 4px;   
    background-color: #2D2D3F;   
}   
.but{   
    width: 300px;   
    min-height: 20px;   
    display: block;  
    margin: 25px auto; 
    background-color: #4a77d4;   
    border: 1px solid #3762bc;   
    color: #fff;   
    padding: 9px 14px;   
    font-size: 15px;   
    line-height: normal;   
    border-radius: 5px;     
} 
.but:hover{
    cursor: pointer;
}
.zhuxiao {
    color: #fff;   
    text-shadow:0 0 10px;   
    letter-spacing: 1px;  
    width: 400px; 
    text-align: right;
    display: inline-block;
    margin: auto; 
}
#time {
    color: #fff;   
    font-size: 12px;
    text-shadow:0 0 10px;   
    letter-spacing: 1px;
    text-align: center;   
}